LONDON - Britain's political parties have agreed to suspend election campaigning until further notice following an explosion in Manchester that killed 19 people at a concert by US singer Ariana Grande. Jeremy Corbyn, the leader of the opposition Labour Party, said in a statement that he had spoken to Prime Minister Theresa May and had agreed that all national campaigning for the June 8 election would be suspended. May said earlier that the incident in the northern English city was being treated as a terrorist attack. 'I am horrified by the horrendous events in Manchester last night,' Corbyn said. 'My thoughts are with families and friends of those who have died and been injured.'
